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Multilayer substrate having piezoelectric film, element having piezoelectric film, and method of manufacturing multilayer substrate having piezoelectric film
Multilayer substrate having piezoelectric film, element having piezoelectric film, and method of manufacturing multilayer substrate having piezoelectric film
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机译:具有压电膜的多层基板,具有压电膜的元件以及具有压电膜的多层基板的制造方法
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摘要
To provide: a piezoelectric film of which the time until a dielectric breakdown when it is used for a device is prolonged; and a technique relevant thereto.SOLUTION: A laminate board with a piezoelectric film comprises: a substrate; a first electrode film formed on the substrate; and a piezoelectric film formed on the first electrode film. In the laminate board, an oxide film including oxide represented by a composition formula, RuOor IrOis formed on the piezoelectric film.SELECTED DRAWING: Figure 1
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